Switching to Reduced Oxidant or Nicotine Content Cigarettes in Smokers
Switching to Reduced Nicotine Content Cigarettes or Reduced Reactive Oxygen/Reactive Nitrogen Species Cigarettes in Smokers
研究概览
详细说明
Researchers at Penn State Hershey are seeking healthy adult cigarette smokers between 21-65 who smoke any of the following brands on a regular basis: Marlboro Red, Marlboro Menthol, Pall Mall Red, Pall Mall Menthol, Kool Menthol, Salem Menthol, L&M Menthol, Pyramid Red, Newport Red, Newport Menthol.
If you smoke one of these brand styles on a regular basis you may be eligible to participate in a compensated short term study on health and smoking behavior at Penn State Hershey Medical Center.
Study participation lasts 22 days, with 4 study visits at the Medical Center. Smokers are asked to use their usual brand for one week and then switch to 1 of 3 brands for the remaining two weeks. The three brands participants are randomly assigned to after the first week of participation are either Group 1. reduced nicotine content cigarette (Spectrum Research Cigarettes) or Group 2. reduced oxidant cigarette (American Spirit) or assigned to Group 3. usual brand. Whichever group you are assigned to, you will be asked to smoke only these until the end of the study. All cigarettes following visit 1 will be provided free of charge.
Study overview:
Visit 1/ Duration: 60 minutes Provide a blood and urine sample Complete a 20 minute interview Use a simple, hand held smoking device to smoke all cigarettes for 2 days Collect cigarette butts on 1 day
Visit 2: Randomized Phase /Duration: 20-30 minutes Provide a blood and urine sample Complete a 10 minute interview Use a simple, hand held smoking device to smoke all cigarettes for 2 days Collect cigarette butts on 1 day
Visit 3/ Duration: 20-30 minutes Provide a blood and urine sample Complete a 10 minute interview Use a simple, hand held smoking device to smoke all cigarettes for 2 days Collect cigarette butts on 1 day
Visit 4/ Duration: 20-30 minutes Provide a blood and urine sample Complete a 10 minute interview Sign compensation form
For information on additional tobacco studies being conducted at Penn State Hershey, please call 1-844-207-6392
*This research is being conducted under the investigator John Richie at Penn State Hershey; 500 University Drive Hershey, PA
研究类型
注册 (实际的)
阶段
- 不适用
联系人和位置
学习地点
-
-
Pennsylvania
-
Hershey、Pennsylvania、美国、17033
- Penn State Hershey
-
-
参与标准
资格标准
适合学习的年龄
接受健康志愿者
有资格学习的性别
描述
Inclusion Criteria:
- Age 21-65
- Smoke 10 cigarettes/day or more for at least one year
- Read and write in English
- Menthol and nonmenthol smokers who use relatively high nicotine and ROS/RNS cigarettes
- Able to understand and provide consent to study procedures
- Plan to live in the local area for the next month
- Women not pregnant or nursing and taking steps to avoid pregnancy
- No quit attempt in the last one months and not planning to quit in the next month
Exclusion Criteria:
- Currently pregnant or nursing
- Unstable or significant medical condition, such as COPD or kidney failure, that is likely to affect biomarker data
- Use of non-cigarette nicotine delivery product in the past week (included cigars, pipes, chew, snus, hookah, e-cig, and marijuana)
- Currently reducing or planning to reduce cigarette consumption in the next month
- Use of smoking cessation medicine in the past 3 months
- History of difficulties providing blood samples: fainting, poor veins, anxiety, etc.
- Uncontrolled serious psychotic illness or substance abuse or inpatient treatment for these in the last 6 months (substance abuse includes weekly, almost daily or daily use of other illegal drugs and prescription drugs that are not being used for medically prescribed purposes or alcohol abuse that would hinder the participant's ability to participate)
- Significant medical condition, i.e. stroke, MI, cancer, in the last month
- Currently using illegal drugs
学习计划
研究是如何设计的?
设计细节
- 主要用途:卫生服务研究
- 分配:随机化
- 介入模型:并行分配
- 屏蔽:无(打开标签)
武器和干预
参与者组/臂 |
干预/治疗 |
|---|---|
|
实验性的:Reduced Nicotine Cigarettes
Participants will be randomized to receive low nicotine cigarettes to replace their usual high nicotine brand.
|
Human topography data will show if smokers smoke their cigarettes differently from baseline following randomization.
Select biosamples of participants will be used to analyze how biomarkers differ among groups
其他名称:
|
|
实验性的:Reduced ROS/RNS
Participants will be randomized to receive Reduced Oxidative/Nitrogen Species (ROS/RNS) cigarettes to replace their usual cigarettes.
|
Human topography data will show if smokers smoke their cigarettes differently from baseline following randomization.
Select biosamples of participants will be used to analyze how biomarkers differ among groups
其他名称:
|
|
安慰剂比较:Control Group
Participants will be assigned to continue smoking their usual brand of cigarettes.
|
Human topography data will show if smokers change the way they smoke due to being in a research study.
Select biosamples of participants will be used to analyze how biomarkers differ among groups
|
研究衡量的是什么?
主要结果指标
结果测量 |
措施说明 |
大体时间 |
|---|---|---|
|
Smoking Topography
大体时间:8 days
|
measures of smoking topography include parameters such as puff volume, frequency and intensity as measured using a smoking topography instrument.
|
8 days
|
次要结果测量
结果测量 |
措施说明 |
大体时间 |
|---|---|---|
|
Biomarkers of oxidative stress
大体时间:4 times over the 22 day study period
|
biomarkers of oxidative stress are as followed: glutathionylated and cysteinylated proteins in blood and F2-isoprostanes and 8-hydroxydeoxyguanosine (8-OHdG).
|
4 times over the 22 day study period
|
合作者和调查者
合作者
调查人员
- 首席研究员:John Richie, Ph.D、Milton S. Hershey Medical Center
研究记录日期
研究主要日期
学习开始 (实际的)
初级完成 (实际的)
研究完成 (实际的)
研究注册日期
首次提交
首先提交符合 QC 标准的
首次发布 (估计)
研究记录更新
最后更新发布 (实际的)
上次提交的符合 QC 标准的更新
最后验证
更多信息
与本研究相关的术语
其他研究编号
- STUDY00001996
- 5P50DA036107-02 (美国 NIH 拨款/合同)
计划个人参与者数据 (IPD)
计划共享个人参与者数据 (IPD)?
IPD 计划说明
药物和器械信息、研究文件
研究美国 FDA 监管的药品
研究美国 FDA 监管的设备产品
在美国制造并从美国出口的产品
此信息直接从 clinicaltrials.gov 网站检索,没有任何更改。如果您有任何更改、删除或更新研究详细信息的请求,请联系 register@clinicaltrials.gov. clinicaltrials.gov 上实施更改,我们的网站上也会自动更新.